Banking Physics Semiconducting Devices Question Bank Semiconductor Electronics

  • question_answer
    When n-type semiconductor is heated

    A)  number of electrons increases while that of holes decreases

    B)  number of holes increases while that of electrons decreases

    C)  number of electrons and holes remain same

    D)  number of electrons and holes increases equally  

    Correct Answer: D

    Solution :

     Due to heating, when a free electron is produced then simultaneously a hole is also produced.


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